Home / 64,614.16-89,108.36-41,929.68

Finding the Fourth Proportional to 64,614.16, 89,108.36 and 41,929.68

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Solution

The fourth proportional to 64,614.16, 89,108.36 and 41,929.68 is: 57,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,614.16 : 89,108.36 = 41,929.68 : x
  2. Step 2: Convert to fraction form
    64,614.16/89,108.36 = 41,929.68/x
  3. Step 3: Cross multiply
    64,614.16x = 89,108.36 × 41,929.68
  4. Step 4: Simplify right side
    64,614.16x = 3,736,285,020.12
  5. Step 5: Solve for x
    x = 3,736,285,020.12/64,614.16
  6. Step 6: Final answer
    x = 57,824.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.